Decorative fireplace



FIG. 1 is a perspective view depicting a new design for a decorative fireplace, with no claim being made to the bottom or rear of the fireplace;

FIG. 2 is a front elevation view of the decorative fireplace;

FIG. 3 is a side elevation view of the decorative fireplace; and,

FIG. 4 is a top plan view of the decorative fireplace.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a decorative fireplace, as shown and described. 